-// Column without title, formated with function func(). Field value
-// is passed as parameter:
-// array('type'=>'spec', 'fun'=>'func')
-// Inserted column with title 'Some', formated with function rowfun(). Row
-// values are passed as parameter array:
-// 'Some' => array('type'=>'insert', 'fun'=>'rowfun')
+// Column without title, data retrieved form row data with function func():
+// array('fun'=>'func')
+// Inserted column with title 'Some', formated with function rowfun().
+// formated as date:
+// 'Some' => array('type'=>'date, 'insert'=>true, 'fun'=>'rowfun')